one problem solved. After removing the xserver-xorg-video-nouveau package with synaptic package manager i am now able to see the desktop and log in. But the grub problem is still there. Hoping the same would also go away after some more hit and trial.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/715569 Title: on boot the monitor shows resolution not supported. maximum resolution supported is 1440*900 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs